Helping publishers and advertisers to drastically increase their results from ads #ForPublishersByPublishers
Data Scientist – Medior
Location
Netherlands
Posted
5 days ago
Salary
0
Seniority
Mid Level
Job Description
Data Scientist – Medior
Refinery89
• Lead development of statistical and machine learning models to optimize performance • Design and execute A/B/n experiments for measurable improvements • Translate results into production-ready solutions • Collaborate with cross-functional stakeholders to identify use cases • Own the model lifecycle from ideation to performance monitoring • Present findings to technical and non-technical audiences • Contribute to data science practices and frameworks
Job Requirements
- 2+ years of experience in Data Science, Machine Learning, or related analytical roles
- Strong Python and SQL skills
- Experience with statistical modeling, experimentation, and machine learning frameworks (scikit-learn, TensorFlow, PyTorch)
- Familiarity with cloud environments (AWS, Azure)
- Hands-on experience designing, running, and analyzing A/B and multivariate tests
- Strong communicator, comfortable working across multiple teams
- Understanding the impact of algorithms on product performance
Benefits
- Fully remote working environment
- Collaborative international team with knowledge-sharing culture
- Flat and fast-moving organization inspired by Dutch roots
- Opportunities for high-impact projects in AI and data
- Regular team gatherings and company events
Related Guides
Related Categories
Related Job Pages
More Data Scientist Jobs
Data Scientist / AI Research Engineer
JetBridge AIWe test the best engineers in the World (AI/ML/Data/CRUD) with the industry's leading PPI (Pair Programming Interview).
• Design, build, and maintain data pipelines to analyze complex behavioral health datasets. • Implement and fine-tune AI/ML models to identify clinical trends and predictive patterns. • Partner closely with the clinical team to explore clinical hypotheses, running the data queries and statistical analyses needed to prove or disprove them. • Act as the technical voice on scientific papers, abstracts, and whitepapers. You will translate data methodologies, model architectures, and statistical findings into clear, publication-ready text. • Turn raw data into compelling visualizations and narratives that can be easily understood by both medical professionals and the broader public.
Data Scientist III
ZoomInfo Technologies LLCZoomInfo (NASDAQ: GTM) is the Go-To-Market Intelligence Platform that empowers businesses to grow faster with AI-ready insights, trusted data, and advanced automation. Its solutions provide more than 35,000 companies worldwide with a complete view of their customers, making every seller their best seller.
Role Description As a Data Scientist III, you will leverage theory, data, and research to solve business problems. You will support data science and analytics efforts across multiple areas of the business including Sales, Marketing, Finance, HR, and related functions. You will contribute to building and improving measurement and reporting processes. This role will be responsible for: - Drawing insights from large data sets. - Defining and implementing key model performance indicators. - Communicating insights and trends to support business decision-making. - Working closely with business stakeholders on measurement, success metrics, and analytics. - Using data to develop insights, forecasts, metrics, dashboards, and recommendations. What You’ll Do (Essential Functions): - Own data science projects end-to-end within your assigned business area. - Scope ambiguous problems and define success metrics, through model development, deployment, and ongoing monitoring. - Translate business questions from Sales, Marketing, Finance, HR, and related functions into well-defined data science problems with clear KPIs, deliverables, and timelines. - Assess the feasibility, expected impact, and tradeoffs of proposed initiatives to inform prioritization and scoping decisions with cross-functional partners. - Design and conduct rigorous statistical analyses and build robust predictive models to answer complex business questions. - Optimize models for performance, interpretability, and generalization using techniques such as regularization, cross-validation, and ensemble methods. - Define model evaluation plans that cover accuracy, fairness, drift, and business impact. - Design and implement production-ready data and model pipelines that handle large-scale datasets. - Write readable, well-structured, modular code using standard data science libraries. - Participate in code and design reviews, giving and receiving constructive feedback. - Contribute to shared practices, tooling, and documentation that improve how the data science function operates. - Share knowledge with teammates and provide informal guidance to more junior colleagues. The information in this job description represents a summary of the role and is not intended to be a comprehensive list of job duties. Responsibilities and duties of the position may change without notice at the Company’s discretion. Qualifications - Master's degree in a STEM or quantitative field (statistics, computer science, mathematics, economics, engineering, or related). - 3+ years of professional experience building and deploying data science or machine learning solutions, including at least one production deployment. - Demonstrated experience translating business questions into data science problems and communicating findings to technical and non-technical audiences. - Proficiency in Python and SQL, and experience with data visualization tools such as Tableau. - Experience working with cloud data and ML platforms such as Snowflake, Databricks, or Google Cloud Platform. - Working knowledge of applied statistical methods and machine learning techniques (e.g., regression, classification, time series, cross-validation, model evaluation). Preferred Qualifications - Doctoral degree in a STEM or quantitative field (statistics, computer science, mathematics, economics, engineering, or related). - Familiarity with MLOps practices — model versioning, monitoring, drift detection, CI/CD for ML. - Experience designing and maintaining dashboards for operational or executive audiences. - Experience presenting analyses to senior technical and non-technical audiences. - Exposure to Sales, Marketing, Finance, or HR analytics domains. Company Description ZoomInfo (NASDAQ: GTM) is the Go-To-Market Intelligence Platform that empowers businesses to grow faster with AI-ready insights, trusted data, and advanced automation. Its solutions provide more than 35,000 companies worldwide with a complete view of their customers, making every seller their best seller. ZoomInfo is committed to protecting your privacy when you apply for jobs with us. Please review our Job Applicant Privacy Notice for more details on how we handle your personal information. ZoomInfo may use a software-based assessment as part of the recruitment process. More information about this tool, including the results of the most recent bias audit, is available here. ZoomInfo is proud to be an equal opportunity employer, hiring based on qualifications, merit, and business needs, and does not discriminate based on protected status.
Data Scientist II
ZoomInfo Technologies LLCZoomInfo (NASDAQ: GTM) is the Go-To-Market Intelligence Platform that empowers businesses to grow faster with AI-ready insights, trusted data, and advanced automation. Its solutions provide more than 35,000 companies worldwide with a complete view of their customers, making every seller their best seller.
Role Description As a Data Scientist II, you will leverage theory, data, and research to solve business problems. You will support data science and analytics efforts across multiple areas of the business including Sales, Marketing, Finance, HR, and related functions. You will contribute to building and improving measurement and reporting processes. To this end, you will help teams access insights needed to operate effectively. This role will be responsible for: - Drawing insights from large data sets. - Defining and implementing key model performance indicators. - Communicating insights and trends to support business decision-making. - Working closely with business stakeholders on measurement, success metrics, and analytics. - Using data to develop insights, forecasts, metrics, dashboards, and recommendations. Effectiveness in this position will require an understanding of technical methods and data engineering necessary to build and implement data science models, as well as knowing general industry trends, business objectives, and workforce dynamics. What You’ll Do (Essential Functions): - Contribute to data science projects supporting Sales, Marketing, Finance, HR, and related functions, collaborating with other team members. - Apply an understanding of business operations to translate defined requirements into data science tasks and KPIs. - Identify opportunities where data science can support team objectives. - Translate and summarize data into written reports, tables, graphs, dashboards, and charts. - Perform data preprocessing, feature engineering, and model selection for routine problems. - Design and implement AI models and pipelines based on documented requirements. - Analyze model performance using standard evaluation metrics. - Use distributed processing systems (e.g., Snowflake, Databricks, Google Cloud Platform). - Proactively identify and resolve issues in pipeline development and deployment. - Write understandable, modular code by applying established software development practices and style guides. - Use common data science libraries to implement designed solutions efficiently. - Participate in code reviews at critical points to validate that code meets requirements and standards. - Create initial technical documentation. The information in this job description represents a summary of the role and is not intended to be a comprehensive list of job duties. Responsibilities and duties of the position may change without notice at the Company’s discretion. Qualifications - Master's degree in a STEM or quantitative field (statistics, computer science, mathematics, economics, engineering, or related). - 2+ years of professional experience building and deploying data science or machine learning solutions, including at least one production deployment. - Demonstrated experience translating business questions into data science problems and communicating findings to technical and non-technical audiences. - Proficiency in Python and SQL, and experience with data visualization tools such as Tableau. - Experience working with cloud data and ML platforms such as Snowflake, Databricks, or Google Cloud Platform. - Working knowledge of applied statistical methods and machine learning techniques (e.g., regression, classification, time series, cross-validation, model evaluation). Preferred Qualifications - Doctoral degree in a STEM or quantitative field (statistics, computer science, mathematics, economics, engineering, or related). - Familiarity with MLOps practices — model versioning, monitoring, drift detection, CI/CD for ML. - Experience designing and maintaining dashboards for operational or executive audiences. - Experience presenting analyses to senior technical and non-technical audiences. - Exposure to Sales, Marketing, Finance, or HR analytics domains. Company Description ZoomInfo (NASDAQ: GTM) is the Go-To-Market Intelligence Platform that empowers businesses to grow faster with AI-ready insights, trusted data, and advanced automation. Its solutions provide more than 35,000 companies worldwide with a complete view of their customers, making every seller their best seller. ZoomInfo is committed to protecting your privacy when you apply for jobs with us. Please review our Job Applicant Privacy Notice for more details on how we handle your personal information. ZoomInfo may use a software-based assessment as part of the recruitment process. More information about this tool, including the results of the most recent bias audit, is available here. ZoomInfo is proud to be an equal opportunity employer, hiring based on qualifications, merit, and business needs, and does not discriminate based on protected status.
Data Scientist
American Association of Colleges of Osteopathic Medicine (AACOM)Leading Osteopathic Medical Education
• Develop and maintain Python-based data pipelines that collect, process, and ingest data from multiple sources. • Improve existing data workflows with a focus on quality assurance, sustainability, documentation, and maintainability. • Ensure analytic workflows are reproducible, well-structured, and scalable. • Support responsible handling of sensitive data in compliance with FERPA and AACOM data governance standards. • Develop dashboards and data visualization tools primarily using Tableau and Python. • Maintain and enhance existing dashboards, internal analytics tools, and client-facing data products. • Translate complex datasets into accessible and actionable visual insights. • Translate defined research designs into executable analytic workflows. • Clean, transform, and validate complex administrative and survey datasets. • Conduct quantitative analyses with increasing independence over time. • Contribute to applied research initiatives including workforce studies, survey analysis, and text-based or NLP projects. • Support the development and operationalization of statistical and/or ML models used in research and operational initiatives. • Partner with colleagues across AACOM departments to support strategic data and analytics initiatives. • Contribute to a culture of innovation, continuous learning, and process improvement. • Document workflows, methodologies, and technical processes clearly and consistently. • Stay current on emerging tools, technologies, and best practices in data science and analytics.


